Factor Info

ID 152885
Size 575 digits / 1908 bits
Status composite
Value 16558760373795065419096996418008069701259039628152171676401520260327967144719267563273759845352929159247868026567517276700529210592666469159260649725267074027155448966637247691840670654942812877957557588996362025770978878923014123613101566503103462135072238737590895244920389873612387218324599778091802005133417226611551952814898835721973909472220915673225078757528310131618181360563453204607848600756175616998776402843369246539248282257837806826872406242400426151891570877994139059790155474501799464449320795185358295402015392654779445299314367762765363452054806708590035991

Factorizations

Primary (ID: 152886) 991332325370937642842669 (proven prime)
(ID: 152887) 16703541234367691184180158052185684762889235121404369518390405389192626071721748855043146530821871657331429586934158538230174219906708226755335714888622862465715924482572822318996473239026208166500204104266101797254748497563179842070731657187095830518224232935142414372232265914425938897004974526738351225977365756137952088486995556157840895335784370628919819258665509122020583930047112727600319314638564234173901095181378526826877260591542953809105441517122954911004244778804546051344133905676229700676228590048114744081855873298964168643681049245139 (composite)

Primary factorization keeps track of the smallest (known) prime factor. Secondary factorizations are old results kept when a new smaller prime factor is found, which occasionally happens with ECM.